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Shoulder Washers

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Shoulder Washers, sometimes known as a Plastic Bush or Step Washer, are commonly used as a bushing to insulate fasteners or shafts within electronic equipment. For this reason, shoulder washers are made from non-conductive materials like Nylon. It is advised to avoid using shoulder bushings in humid environments.

Our extensive plastic shoulder washers range, includes Nylon Shoulder Washer Bushings made from Nylon 6/6 and manufactured to UL94 V2 flame resistance. The nylon sleeve washer range includes;

Screw Insulators (including Metric and Mini options). These are strong and have corrosion resistance - they also provide electrical insulation.

Nylon Shoulder Washers are resistant to many chemicals, as well as being corrosion resistant. They insulate and reduce vibration, and tend to act as a spacer or guide. We also have standard shouldered washer options designed to protect the head of metal screws from electrical contact.

Metric Locking and Sealing Washers are designed to created interference on both the outside diameter of a hex nut, and on the inside diameter of the screw.
Flanged Bushings are suitable for light-load bearings or bushing. They will not rust, corrode or deteriorate - making them highly economical. They act as an electrical insulator by preventing metal-to-metal contact. Low-friction coefficient and can be used as a locator, sleeve, liner or glide.

Our plastic shoulder washer offer also includes a High Temperature Screw Insulator made from UL94 V0 glass-filled Polyphenylene Sulfide (PPS), and black in appearance. It can withstand temperatures up to Temperature: up to 428F.

  • Colors: Natural and Black
  • UL94 V2 and UL94 V0.

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2,006 results
Product SKUs information
Item Code Price range Availability Flange Height Flange Outside Diameter Base Height Inside Diameter Compatible Screw Sizes (All) Base Outside Diameter View
$0.0371 - $0.0508 24000 In stock
0.062 in
0.425 in
0.062 in
0.250 in
12. M6
0.310 in
12SWS3562 $0.0817 - $0.1121 11000 In stock
0.125 in
0.980 in
0.250 in
0.380 in
3/8. M9
0.556 in
$0.057 - $0.0782 9000 In stock
0.062 in
0.750 in
0.437 in
0.500 in
7/16. M12
0.625 in
$0.0617 - $0.0847 Request the lead time here
0.062 in
0.745 in
0.050 in
0.515 in
1/2. M13
0.556 in
$0.0785 - $0.1077 39500 In stock
0.055 in
0.800 in
0.100 in
0.563 in
1/2. M13
0.655 in
12SWS3582 $0.0976 - $0.1339 9000 In stock
0.062 in
1.250 in
0.688 in
0.875 in
7/8
1.000 in
$0.0458 - $0.0627 30500 In stock
0.062 in
0.750 in
0.125 in
0.375 in
5/16. M9
0.500 in
$0.0383 - $0.0526 Request the lead time here
0.046 in
0.622 in
0.031 in
0.383 in
3/8. M9
0.434 in
$0.0472 - $0.0648 11000 In stock
0.062 in
0.750 in
0.312 in
0.505 in
1/2. M12
0.625 in
$0.0371 - $0.0508 Request the lead time here
0.062 in
0.510 in
0.406 in
0.171 in
8. M4
0.250 in
$0.064 - $0.0878 Request the lead time here
0.055 in
0.390 in
0.312 in
0.171 in
8. M4
0.281 in
$0.0669 - $0.0917 7000 In stock
0.063 in
0.344 in
0.120 in
0.175 in
8. M4
0.235 in
$0.0371 - $0.0508 10000 In stock
0.062 in
0.437 in
0.062 in
0.188 in
8. M4
0.313 in
$0.0396 - $0.0544 7000 In stock
0.062 in
0.490 in
0.156 in
0.190 in
8. M4
0.250 in
12SWS1028 $0.069 - $0.0947 1000 In stock
0.062 in
0.500 in
0.249 in
0.189 in
8. M4
0.250 in
12SWS0811 $0.0371 - $0.0508 1000 In stock
0.046 in
0.375 in
0.046 in
0.192 in
10. M4
0.245 in
$0.0396 - $0.0544 4000 In stock
0.093 in
0.500 in
0.046 in
0.145 in
6. M3.5
0.275 in
$0.0199 - $0.0273 13000 In stock
0.050 in
0.377 in
0.050 in
0.155 in
6. M3.5
0.245 in
$0.0371 - $0.0508 4000 In stock
0.062 in
0.375 in
0.031 in
0.171 in
8. M4
0.250 in
$0.1025 - $0.1405 Request the lead time here
0.095 in
0.750 in
0.779 in
0.189 in
8. M4
0.490 in
  • of 101
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 10.8 mm | 0.425 in; Base Height 1.6 mm | 0.062 in; Base Outside Diameter 7.9 mm | 0.310 in; Compatible Screw Sizes 12M6

12SWS0905

Price Range
$0.0508 - $0.0371

Stock Levels
24000 In stock
Attributes
  • Base Height
    0.062 in
  • Base Outside Diameter
    0.310 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.425 in
  • Inside Diameter
    0.250 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 24.9 mm | 0.980 in; Base Height 6.4 mm | 0.250 in; Base Outside Diameter 14.1 mm | 0.556 in; Compatible Screw Sizes 3/8M9

12SWS3562

Price Range
$0.1121 - $0.0817

Stock Levels
11000 In stock
Attributes
  • Base Height
    0.250 in
  • Base Outside Diameter
    0.556 in
  • Flange Height
    0.125 in
  • Flange Outside Diameter
    0.980 in
  • Inside Diameter
    0.380 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 19.1 mm | 0.750 in; Base Height 11.1 mm | 0.437 in; Base Outside Diameter 15.9 mm | 0.625 in; Compatible Screw Sizes 7/16M12

12SWS2587

Price Range
$0.0782 - $0.057

Stock Levels
9000 In stock
Attributes
  • Base Height
    0.437 in
  • Base Outside Diameter
    0.625 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.750 in
  • Inside Diameter
    0.500 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 18.9 mm | 0.745 in; Base Height 1.3 mm | 0.050 in; Base Outside Diameter 14.1 mm | 0.556 in; Compatible Screw Sizes 1/2M13

12SWS3016

Price Range
$0.0847 - $0.0617

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.050 in
  • Base Outside Diameter
    0.556 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.745 in
  • Inside Diameter
    0.515 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 20.3 mm | 0.800 in; Base Height 2.5 mm | 0.100 in; Base Outside Diameter 16.6 mm | 0.655 in; Compatible Screw Sizes 1/2M13

12SWS3505

Price Range
$0.1077 - $0.0785

Stock Levels
39500 In stock
Attributes
  • Base Height
    0.100 in
  • Base Outside Diameter
    0.655 in
  • Flange Height
    0.055 in
  • Flange Outside Diameter
    0.800 in
  • Inside Diameter
    0.563 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 31.8 mm | 1.250 in; Base Height 17.5 mm | 0.688 in; Base Outside Diameter 25.4 mm | 1.000 in; Compatible Screw Sizes 7/8 in

12SWS3582

Price Range
$0.1339 - $0.0976

Stock Levels
9000 In stock
Attributes
  • Base Height
    0.688 in
  • Base Outside Diameter
    1.000 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    1.250 in
  • Inside Diameter
    0.875 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 19.1 mm | 0.750 in; Base Height 3.2 mm | 0.125 in; Base Outside Diameter 12.7 mm | 0.500 in; Compatible Screw Sizes 5/16M9

12SWS2558

Price Range
$0.0627 - $0.0458

Stock Levels
30500 In stock
Attributes
  • Base Height
    0.125 in
  • Base Outside Diameter
    0.500 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.750 in
  • Inside Diameter
    0.375 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 15.8 mm | 0.622 in; Base Height 0.8 mm | 0.031 in; Base Outside Diameter 11 mm | 0.434 in; Compatible Screw Sizes 3/8M9

12SWS1205

Price Range
$0.0526 - $0.0383

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.031 in
  • Base Outside Diameter
    0.434 in
  • Flange Height
    0.046 in
  • Flange Outside Diameter
    0.622 in
  • Inside Diameter
    0.383 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 19.1 mm | 0.750 in; Base Height 7.9 mm | 0.312 in; Base Outside Diameter 15.9 mm | 0.625 in; Compatible Screw Sizes 1/2M12

12SWS3025

Price Range
$0.0648 - $0.0472

Stock Levels
11000 In stock
Attributes
  • Base Height
    0.312 in
  • Base Outside Diameter
    0.625 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.750 in
  • Inside Diameter
    0.505 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 13 mm | 0.510 in; Base Height 10.3 mm | 0.406 in; Base Outside Diameter 6.4 mm | 0.250 in; Compatible Screw Sizes 8M4

12SWS0803

Price Range
$0.0508 - $0.0371

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.406 in
  • Base Outside Diameter
    0.250 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.510 in
  • Inside Diameter
    0.171 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 9.9 mm | 0.390 in; Base Height 7.9 mm | 0.312 in; Base Outside Diameter 7.1 mm | 0.281 in; Compatible Screw Sizes 8M4

12SWS0877

Price Range
$0.0878 - $0.064

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.312 in
  • Base Outside Diameter
    0.281 in
  • Flange Height
    0.055 in
  • Flange Outside Diameter
    0.390 in
  • Inside Diameter
    0.171 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 8.7 mm | 0.344 in; Base Height 3 mm | 0.120 in; Base Outside Diameter 6 mm | 0.235 in; Compatible Screw Sizes 8M4

12SWS0636

Price Range
$0.0917 - $0.0669

Stock Levels
7000 In stock
Attributes
  • Base Height
    0.120 in
  • Base Outside Diameter
    0.235 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    0.344 in
  • Inside Diameter
    0.175 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 11.1 mm | 0.437 in; Base Height 1.6 mm | 0.062 in; Base Outside Diameter 8 mm | 0.313 in; Compatible Screw Sizes 8M4

12SWS0819

Price Range
$0.0508 - $0.0371

Stock Levels
10000 In stock
Attributes
  • Base Height
    0.062 in
  • Base Outside Diameter
    0.313 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.437 in
  • Inside Diameter
    0.188 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 12.4 mm | 0.490 in; Base Height 4 mm | 0.156 in; Base Outside Diameter 6.4 mm | 0.250 in; Compatible Screw Sizes 8M4

12SWS1050

Price Range
$0.0544 - $0.0396

Stock Levels
7000 In stock
Attributes
  • Base Height
    0.156 in
  • Base Outside Diameter
    0.250 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.490 in
  • Inside Diameter
    0.190 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 12.7 mm | 0.500 in; Base Height 6.3 mm | 0.249 in; Base Outside Diameter 6.4 mm | 0.250 in; Compatible Screw Sizes 8M4

12SWS1028

Price Range
$0.0947 - $0.069

Stock Levels
1000 In stock
Attributes
  • Base Height
    0.249 in
  • Base Outside Diameter
    0.250 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.500 in
  • Inside Diameter
    0.189 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 9.5 mm | 0.375 in; Base Height 1.2 mm | 0.046 in; Base Outside Diameter 6.2 mm | 0.245 in; Compatible Screw Sizes 10M4

12SWS0811

Price Range
$0.0508 - $0.0371

Stock Levels
1000 In stock
Attributes
  • Base Height
    0.046 in
  • Base Outside Diameter
    0.245 in
  • Flange Height
    0.046 in
  • Flange Outside Diameter
    0.375 in
  • Inside Diameter
    0.192 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 12.7 mm | 0.500 in; Base Height 1.2 mm | 0.046 in; Base Outside Diameter 7 mm | 0.275 in; Compatible Screw Sizes 6M3.5

12SWS1015

Price Range
$0.0544 - $0.0396

Stock Levels
4000 In stock
Attributes
  • Base Height
    0.046 in
  • Base Outside Diameter
    0.275 in
  • Flange Height
    0.093 in
  • Flange Outside Diameter
    0.500 in
  • Inside Diameter
    0.145 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 9.6 mm | 0.377 in; Base Height 1.3 mm | 0.050 in; Base Outside Diameter 6.2 mm | 0.245 in; Compatible Screw Sizes 6M3.5

12SWS0835

Price Range
$0.0273 - $0.0199

Stock Levels
13000 In stock
Attributes
  • Base Height
    0.050 in
  • Base Outside Diameter
    0.245 in
  • Flange Height
    0.050 in
  • Flange Outside Diameter
    0.377 in
  • Inside Diameter
    0.155 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 9.5 mm | 0.375 in; Base Height 0.8 mm | 0.031 in; Base Outside Diameter 6.4 mm | 0.250 in; Compatible Screw Sizes 8M4

12SWS0810

Price Range
$0.0508 - $0.0371

Stock Levels
4000 In stock
Attributes
  • Base Height
    0.031 in
  • Base Outside Diameter
    0.250 in
  • Flange Height
    0.062 in
  • Flange Outside Diameter
    0.375 in
  • Inside Diameter
    0.171 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 19.1 mm | 0.750 in; Base Height 19.8 mm | 0.779 in; Base Outside Diameter 12.4 mm | 0.490 in; Compatible Screw Sizes 8M4

12SWS2543

Price Range
$0.1405 - $0.1025

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.779 in
  • Base Outside Diameter
    0.490 in
  • Flange Height
    0.095 in
  • Flange Outside Diameter
    0.750 in
  • Inside Diameter
    0.189 in